Instructions: Use the following scenario and data for questions 1 to 10. Groff Kitchen LLC makes two types of barbeque grills. The availability of three scarce resources limits the production of the grills. The profit contribution, resource usage per unit of each grill, and availability of the resources are given in the following table: The decision variables used in the linear programming model are: x1 Number of units of grill 1 to produce x2 - Number of units of grill 2 to produce The linear programming model and the graphic solution are given in the following Max 15x1+12x22x1+3x21804x1+2x22007x1+6x2420x1,x20 s.t The correct inequality used to determine the intervals for the objective coefficients is 2c2c16767c2c12 both of the above none of the above cannot be determined